By collecting hard data from our comprehensive sustainability audit, Footprint aims to educate and harvest the spirit of sustainability within the CIS community.


From footprint to blueprint, we are committed to promote tangible reforms and develop sustainable, active, permanent change towards Vision ‘33.

CIS Footprint Sustainability Audit Repor


On the evening of 24th of September, the CIS Footprint officially launched, marking the beginning of a revolutionary mission to sustainability. The event allowed the school community to gain insight into our plans for the future, including data collection and impacting school policies with hard data. Several members of the DITO community spoke at the event, talking about topics that were close to their interests and concerns, such as fast fashion, veganism and ocean acidification. Those who attended were also given the opportunity to raise questions and give suggestions for the project. If you have any suggestions or concerns, feel free to leave us a comment in the suggestion box



Overall, the results from interviewing various people around the school showed enthusiasm about this completely student-led initiative. Many people know and agree with the sustainability mission, but may not always be aware of the school’s impact. With the Footprint audit, sustainability should be something the school is proud to talk about. By expanding on small changes people make in their daily lives and spreading more awareness, members of the school community believe that it will bring about a more dramatic change, with sustainability being incorporated into the school values on a larger scale, just as respect, kindness, and hard work are. Furthermore, habits incorporated into students’ school lives can also be brought home and relieve the cultural stigma some parents may have about sustainable living - you must push the boundaries, take a risk, and find a balance between convenience and sustainability.



As a part of the audit process, we conducted a utility analysis to understand CIS’s consumption of water, gas, and electricity, finding the most intensive areas, and making changes to reduce it. Other than this, the team has also been researching about  Hong Kong’s environmental footprint. Did you know that in nine months alone, Hong Kong has used double the amount of electricity used in 2016?


As students of CIS, we should collectively do our best to reduce excess water, gas and electrical use. Start with small things, like turning the lights off when you leave a classroom, only using the air conditioner if absolutely necessary, taking shorter showers and actively using the smaller flush button on the toilets - anything can make a difference! 


Our school has been actively taking steps to reduce our carbon footprint. In terms of the real, sustainable, and permanent changes we are hoping to make, CIS has actually been changing the classroom lights from fluorescents to LEDs. In order to go further, we could propose the idea of installing solar panels to the roofs, or the transition from fossil fuels to renewable energy! 


Our entire school community’s food choices can drastically impact our environment. Did you know that the agricultural industry for feeding animals not only makes up 1/3 of the world’s carbon emissions but also contributes largely to our water pollution crisis? Some produce like beef, lamb and cheese have the largest carbon footprint whereas plants typically have the smallest footprint. Therefore, choosing a vegetarian meal over a meat-heavy meal is already a step forward towards a better environment!

Check out some of our infographics below:

Tips to Reduce Your Food Waste!

Food Packaging Waste

Apart from the food we choose to eat, we should also be conscious of the packaging that our food comes in, as well as how to properly dispose them to prevent contaminating recycling bins.


Check out how you can make more sustainable choices when purchasing food at CIS:



Travel in CIS is one of our largest contributors to carbon emissions. Per person, travelling by bus emits 37.5g of CO2 per Km, while travelling by private car emits 100g if travelling in a car with 4 passengers (which most of us don't). According to our school-wide survey, a whopping 34% of students use non-electric private cars on the daily, causing irreversible damage to our environment. Given the aforementioned conclusion, try to take the school bus or public bus to and from school to lighten your CO2 footprint!

Carbon Footprint of Transport

Commuting to CIS

Hangzhou Travel



On June 3rd 2020, DITO students attended a workshop held by Metanoia and CIS Footprint to envision our sustainable future for CIS by 2033, the school's 50th anniversary. The day started off with a series of student presentations discussing key findings from each of the 9 modules in the sustainability audit. Fresh with newfound knowledge about the school's footprint, students were split into small focus groups to craft their vision from the lens of their module in the afternoon. This started off with individually writing Letters from the Future, from the perspective of themselves revisiting a much more sustainable CIS campus 13 years from now. Participants shared their ideas and letters with each other, which culminated into Time magazine posters depicting CIS at the forefront of sustainable schools in 2033. The event allowed participants to learn about various aspects of the school's impact and discover their dreams for a more sustainable future.

What is your vision for CIS in 2033? Leave us a suggestion in the contact box!



On June 10th 2020, a week after the Vision '33 workshop, 17 CIS Footprint students once again presented about our findings from the sustainability audit to the Board of Governors, followed by a Q&A session. The presentation was a success and the Chairman, speaking on behalf of the Board, said that they would join us in taking action on our findings.

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